HC-49/U-S25000000AMJB

AT-CUT CRYSTAL UNIT (Metal-can Type) HC-49/U-S RoHS compliant ■ FEATURES ● Frequency range : 3.5 ～ 50.0MHｚ ● External dimensions (mm) 　 L : 11.5 x W : 4.66 x H : 3.5 ● Applications 　　Consumer products ■ DIMENSION [mm] ■ STANDARD SPECIFICATIONS Model HC-49/U-S Conditions Please contact us for frequencies available at 25˚C TOPR 3.5MHz ～ 30.0MHz (Fundamental) 30.0MHz ～ 50.0MHz (3rd Overtone) ±30ppm below 6.0MHz:±50ppm above 6.0MHz:±30ppm -20℃ ～ +70℃ Storage Temperature Range TSTR -40℃ ～ +85℃ Motional (series) resistance R1 Load capacitance CL Shunt capacitance C0 Refer to the following table Fundamental:10.0pF ～ ∞ 3rd Overtone:5.0pF ～ ∞ 7.0pF Max. Level of drive DL 100μW Insulation Resistance IR 500MΩMin. DC100V±15V Δf/f0 ±5ppm Max. 25℃±3℃ Item Nominal Frequency f0 Frequency Tolerance Frequency Tolerance over Operating Temperature Range Operating Temperature Range Aging (first year) Δf/f0 Δf/f0 -10℃～+60℃ at 25˚C Please specify your requirement ■ MOTIONAL (SERIES) RESISTANCE (R1) Freq. Range (MHz) 3.5≦f0＜4.0 4.0≦f0＜6.0 6.0≦f0＜10.0 10.0≦f0＜14.0 14.0≦f0＜30.0 30.0≦f0＜36.0 36.0≦f0≦50.0 Mode Fundamental Fundamental Fundamental Fundamental Fundamental 3rd Overtone 3rd Overtone R1 200ΩMax. 150ΩMax. 100ΩMax. 80ΩMax. 50ΩMax. 140ΩMax. 100ΩMax. http://cfd.citizen.co.jp/english/prod-tech/product/cvo_top.html ■ PART NUMBERING SYSTEM HC-49/U-S Frequency Tolerance （at 25℃) Frequency Please specify the frequency in Hz. A B ±30ppm ±50ppm 20000000 A B J B - □□□ Frequency Tolerance over Operating Temp. Range ±30ppm (STD) A Range -10℃ ～ +60℃ (STD) ±50ppm Load capacitance (CL) I J K 16.0pF 18.0pF 20.0pF CITIZEN management code Ref. Code for internal use. B Range -10℃ ～ +60℃ ±50ppm G Range -40℃ ～ +85℃ Package specification ±100ppm H Range -40℃ ～ +85℃ B T Bulk (STD) Ammo pack *Please contact us for specifications available. ■ Part Marking [standard] ffffCym f : The first 4 digits of Frequency including the decimal point C : Manufacture's ID Code y : The last digit of production year m : Production month (See Table.1) Table.1 Month Code Jan Feb 1 2 … … Sep Oct Nov Dec 9 X Y Z ■ Taping dimension : 2,000pcs/Ammo pack [mm] Product specifications are subject to change without notice. http://cfd.citizen.co.jp/english/prod-tech/product/cvo_top.html Rev.2